I would think it would be C. The revolutionary war was mainly between the colonist in America and England, so if Historian A thinks that the war was caused by the Americans then it is likely that they are British. If historian B thinks that the war was caused by the British, then it is likely that they are American.
It increase in the process of the black plague or black death because everyone though it was punishment from god for killing Jesus which the Jewish were the ones that did it so they started killing them
Caudillos is a military or political leader.